CODEWITHSUNDEEP
c#.netpowershellpowershell-2.0
saftargholi
saftargholi

Reputation: 980

How can I Use Add-Type to add C# code with System.Windows.Forms namespace?

How can I use Add-Type to add C# code with System.Windows.Forms namespace? I tried this command:

Add-Type -TypeDefinition @"
using System;
using System.Windows.Forms;

namespace testnamespace
{
    public static class testclass
    {
        public static string messagebox()
        {
            MessageBox.Show("test")
            return "test";
        }
    }
}
"@

but I'm getting some error like:

The type or namespace name 'Forms' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?)

I just want to use ONLY C# code in PowerShell. Please don't give me alternative.

Upvotes: 5

Views: 4910

Answers (1)

Mathias R. Jessen
Mathias R. Jessen

Reputation: 174990

Add a reference to the containing assembly (the System.Windows.Forms.dll file), using the ReferencedAssemblies parameter:

Add-Type -TypeDefinition @"
using System;
using System.Windows.Forms;

namespace TestNamespace
{
    public static class TestClass
    {
        public static string MessageBox()
        {
            MessageBox.Show("test");
            return "test";
        }
    }
}
"@ -ReferencedAssemblies System.Windows.Forms

Upvotes: 13

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